Home / 124,992,025.80-187,488,038.70-112,268,934.60

Finding the Fourth Proportional to 124,992,025.80, 187,488,038.70 and 112,268,934.60

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Solution

The fourth proportional to 124,992,025.80, 187,488,038.70 and 112,268,934.60 is: 168,403,401.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,992,025.80 : 187,488,038.70 = 112,268,934.60 : x
  2. Step 2: Convert to fraction form
    124,992,025.80/187,488,038.70 = 112,268,934.60/x
  3. Step 3: Cross multiply
    124,992,025.80x = 187,488,038.70 × 112,268,934.60
  4. Step 4: Simplify right side
    124,992,025.80x = 21,049,082,355,092,568
  5. Step 5: Solve for x
    x = 21,049,082,355,092,568/124,992,025.80
  6. Step 6: Final answer
    x = 168,403,401.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.